520382120 has 64 divisors (see below), whose sum is σ = 1234483200. Its totient is φ = 197130240.

The previous prime is 520382117. The next prime is 520382123. The reversal of 520382120 is 21283025.

It is an interprime number because it is at equal distance from previous prime (520382117) and next prime (520382123).

It is not an unprimeable number, because it can be changed into a prime (520382123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53816 + ... + 62744.

It is an arithmetic number, because the mean of its divisors is an integer number (19288800).

Almost surely, 2^520382120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520382120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617241600).

520382120 is an abundant number, since it is smaller than the sum of its proper divisors (714101080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520382120 is a wasteful number, since it uses less digits than its factorization.

520382120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9018 (or 9014 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 520382120 is about 22811.8854985729. The cubic root of 520382120 is about 804.3420778128.

The spelling of 520382120 in words is "five hundred twenty million, three hundred eighty-two thousand, one hundred twenty".